Yamaha WR450F(S) Owner's Service Manual page 482

CRANKCASE BEARING
Extent of removal:
Extent of removal
Preparation for removal
1
CRANKCASE AND CRANKSHAFT
1 Crankcase bearing removal
Order Part name
CRANKCASE BEARING
REMOVAL
Transmission
Shift cam and shift fork
1 Oil seal
2 Bearing
Q'ty
Refer to "TRANSMISSION, SHIFT
CAM AND SHIFT FORK" section.
3
10 Refer to "REMOVAL POINTS".
4 - 91
ENG
Remarks